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path: root/drivers/sbus/char/vfc_i2c.h
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Diffstat (limited to 'drivers/sbus/char/vfc_i2c.h')
-rw-r--r--drivers/sbus/char/vfc_i2c.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/sbus/char/vfc_i2c.h b/drivers/sbus/char/vfc_i2c.h
new file mode 100644
index 00000000000..a2e6973209d
--- /dev/null
+++ b/drivers/sbus/char/vfc_i2c.h
@@ -0,0 +1,44 @@
+#ifndef _LINUX_VFC_I2C_H_
+#define _LINUX_VFC_I2C_H_
+
+/* control bits */
+#define PIN (0x80000000)
+#define ESO (0x40000000)
+#define ES1 (0x20000000)
+#define ES2 (0x10000000)
+#define ENI (0x08000000)
+#define STA (0x04000000)
+#define STO (0x02000000)
+#define ACK (0x01000000)
+
+/* status bits */
+#define STS (0x20000000)
+#define BER (0x10000000)
+#define LRB (0x08000000)
+#define AAS (0x04000000)
+#define LAB (0x02000000)
+#define BB (0x01000000)
+
+#define SEND_I2C_START (PIN | ESO | STA)
+#define SEND_I2C_STOP (PIN | ESO | STO)
+#define CLEAR_I2C_BUS (PIN | ESO | ACK)
+#define NEGATIVE_ACK ((ESO) & ~ACK)
+
+#define SELECT(a) (a)
+#define S0 (PIN | ESO | ES1)
+#define S0_OWN (PIN)
+#define S2 (PIN | ES1)
+#define S3 (PIN | ES2)
+
+#define ENABLE_SERIAL (PIN | ESO)
+#define DISABLE_SERIAL (PIN)
+#define RESET (PIN)
+
+#define XMIT_LAST_BYTE (1)
+#define VFC_I2C_ACK_CHECK (1)
+#define VFC_I2C_NO_ACK_CHECK (0)
+
+#endif /* _LINUX_VFC_I2C_H_ */
+
+
+